Pretreatment standards of performance for existing sources (PSES).

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§ 435.46 Pretreatment standards of performance for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source with discharges subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources (PSES).

Expand Table

PSES Effluent Limitations

Stream Pollutant parameter PSES effluent limitations
Produced Water No discharge.
Drilling Fluids and Drill Cuttings Well Treatment
Workover and Completion Fluids No discharge.
Produced Sand No discharge.
Deck Drainage No discharge.


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